Sergio Sergio-Pedretti
schuchard
/ recursiveFilterProp.js
Last active
June 20, 2024 18:42
Recursively filter out objects that are infinitely nested and return an immutable object
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // https://stackblitz.com/edit/recursive-filter-prop?file=index.ts | |
| // perf: https://jsbench.me/8cjrlaine7/1 | |
| function flatFilter(nestedProp, compareKey, compareId, arr) { | |
| return arr.filter(o => { | |
| const keep = o[compareKey] != compareId; | |
| if (keep && o[nestedProp]) { | |
| o[nestedProp] = flatFilter(nestedProp, compareKey, compareId, o[nestedProp]); | |
| } | |
| return keep; |